Russian nesting dolls, which are a set of smaller dolls packed inside larger dolls, most resemble which one of the following developmental theories?

A) epigenesis
B) preformation
C) cell differentiation
D) morphogenesis
E) cell theory


Answer: B) preformation

Biology & Microbiology

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Which of the following represents the activation energy needed for the noncatalyzed reverse reaction, C + D ? A + B, in the figure?

A) a B) b C) c D) d E) e

Biology & Microbiology

Which of the following sentences is an accurate description of bacteriophage?

A) Bacteriophage are bacteria that infect viruses, eventually lysing them. B) Bacteriophage are viruses that infect bacteria, eventually lysing them.

Biology & Microbiology

Which of the following would be correctly classified as a protein?

A) cholesterol B) starch C) an enzyme D) cellulose

Biology & Microbiology

Blood agar plates are an example of ________ medium

A) differential B) selective C) reducing D) defined E) transport

Biology & Microbiology